在线视频国产欧美另类,偷拍亚洲一区一区二区三区,日韩中文字幕在线视频,日本精品久久久久中文字幕

<small id="qpqhz"></small>
  • <legend id="qpqhz"></legend>

      <td id="qpqhz"><strong id="qpqhz"></strong></td>
      <small id="qpqhz"><menuitem id="qpqhz"></menuitem></small>
    1. hasbeen后面加什么詞

      回答
      瑞文問(wèn)答

      2024-08-05

      has been后面加形容詞。
      has:有; have 的第三人稱單數(shù)現(xiàn)在時(shí)形式。
      been:
      v. 曾經(jīng); 曾經(jīng)到過(guò)(某地)。
      are的過(guò)去分詞; be的過(guò)去分詞。

      擴(kuò)展資料

        Only time will tell if the treatment has been successful.

        只有時(shí)間才能證明這種療法是否成功。

        The system has been in operation for six months.

        這個(gè)系統(tǒng)已經(jīng)運(yùn)行六個(gè)月了。

        The company has been investing in new plant and equipment.

        這家公司一直在投資購(gòu)置新機(jī)器和設(shè)備。

        A new system has been devised to control traffic in the city.

        控制城市交通的新系統(tǒng)已經(jīng)設(shè)計(jì)出來(lái)。

        Digital television has been around for some time now.

        數(shù)字電視已經(jīng)面市一段時(shí)間了。